Re: 4 join methods?

There are 5 join operations
inner join
equi-join
outer-join
anti-join
self-join

and 3 join methods
neted loop
sort merge join
hash join

sam

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Thursday, May 31, 2001 10:55 AM

> 1. Equi-join 2. Self-join 3. Outer-join 4. Hash-join
>
> rukmini
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Thursday, May 31, 2001 11:20 AM
>
>
> > i feel the fourth one is self join.
> >
> > ----- Original Message -----
> > To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> > Sent: Thursday, May 31, 2001 8:10 AM
> >
> >
> > > Hi,
> > >
> > > I just read there are four join methods. I know three:
> > >
> > > Nested loops
> > > Sort merge
> > > Hash join
> > >
> > > What's the fourth?
> > >
> > > - Greg
> > >
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > > --
> > > Author: Greg Moore
> > > INET: sqlgreg_at_pacbell.net
> > >
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> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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> Author: Rukmini Devi
> INET: rukmini_at_indbrain.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Sam Roberts
  INET: rabbit_at_emirates.net.ae

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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To REMOVE yourself from this mailing list, send an E-Mail message
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